Alert archive / Mississippi / Freeze Warnings in 2007

Freeze Warning 3, NWS Jackson, MS

November 6, 200724 counties in Mississippi; Ashley County, Chicot County, Arkansas

NWS Jackson, MS issued this freeze warning at Nov 6, 2007, 2:20 PM CST for 24 counties in Mississippi; Ashley County, Chicot County, Arkansas. It took effect at Nov 6, 2007, 9:26 PM CST. It was in force for 11 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Nov 6, 2007, 2:20 PM CST (20:20 UTC)
In effect from: Nov 6, 2007, 9:26 PM CST
Expired: Nov 7, 2007, 8:00 AM CST
In force: 11 hr
Issued by: NWS Jackson, MS

All 26 counties

Ashley County, AR, Chicot County, AR, Attala County, MS, Bolivar County, MS, Carroll County, MS, Choctaw County, MS, Clay County, MS, Grenada County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Kemper County, MS, Leake County, MS, Leflore County, MS, Lowndes County, MS, Madison County, MS, Montgomery County, MS, Neshoba County, MS, Noxubee County, MS, Oktibbeha County, MS, Sharkey County, MS, Sunflower County, MS, Washington County, MS, Webster County, MS, Winston County, MS, Yazoo County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 105 km from the middle of the area, began a volume at 20:22 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 8.3 hours before the alert went out and 289 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1462 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: -39 m²/s²
0-3 km storm-relative helicity: 112 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this freeze warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Jackson, MS wrote its last area forecast discussion before this freeze warning went out at Nov 6, 11:11 AM CST, 3 hours 9 minutes earlier.

Area forecast discussion, Nov 6, 11:11 AM CST, 3 hours 9 minutes before

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Hazardous weather outlook, Nov 6, 4:50 AM CST, 9 hours 30 minutes before

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The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 6, 3:50 AM CST	Freeze Watch	JAN	Attala, Bolivar, Carroll, Choctaw, Clay, Grenada and 9 more	11 hr

Nearby

Freeze Warnings in Mississippi, 2007 Freeze Warnings in Arkansas, 2007 Every freeze warning in 2007

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.